This is the 6320th most frequent Portuguese word.
dadas
"Dados" (plural) means "given" or "provided."
In this sentence, 'dadas' functions as a past participle agreeing with 'informações' in gender and number as part of the passive voice.
As informações dadas pelo professor foram muito úteis.
The information given by the teacher was very useful.
Here, 'dadas' serves as an adjective subject complement describing the conditions as being fulfilled, agreeing with 'condições'.
Estão dadas as condições para o início do projeto.
The conditions for the start of the project are set.
In this expression, 'dadas' is used in a prepositional phrase to establish a context for the statement, with 'circunstâncias' being the entity considered.